/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* Copyright (c) 2001 - 2013 Object Refinery Ltd, Pentaho Corporation and Contributors.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.core.modules.gui.commonswing;
import java.io.Serializable;
import java.util.Comparator;
/**
* Creation-Date: 16.11.2006, 16:50:39
*
* @author Thomas Morgner
*/
public class ActionPluginToolbarComparator implements Comparator, Serializable {
public ActionPluginToolbarComparator() {
}
/**
* Compares its two arguments for order. Returns a negative integer, zero, or a positive integer as the first argument
* is less than, equal to, or greater than the second.
* <p>
* <p/>
* The implementor must ensure that <tt>sgn(compare(x, y)) == -sgn(compare(y, x))</tt> for all <tt>x</tt> and
* <tt>y</tt>. (This implies that <tt>compare(x, y)</tt> must throw an exception if and only if <tt>compare(y,
* x)</tt> throws an exception.)
* <p>
* <p/>
* The implementor must also ensure that the relation is transitive: <tt>((compare(x, y)>0) && (compare(y,
* z)>0))</tt> implies <tt>compare(x, z)>0</tt>.
* <p>
* <p/>
* Finally, the implementer must ensure that <tt>compare(x, y)==0</tt> implies that <tt>sgn(compare(x,
* z))==sgn(compare(y, z))</tt> for all <tt>z</tt>.
* <p>
* <p/>
* It is generally the case, but <i>not</i> strictly required that <tt>(compare(x, y)==0) == (x.equals(y))</tt>.
* Generally speaking, any comparator that violates this condition should clearly indicate this fact. The recommended
* language is "Note: this comparator imposes orderings that are inconsistent with equals."
*
* @param o1
* the first object to be compared.
* @param o2
* the second object to be compared.
* @return a negative integer, zero, or a positive integer as the first argument is less than, equal to, or greater
* than the second.
* @throws ClassCastException
* if the arguments' types prevent them from being compared by this Comparator.
*/
public int compare( final Object o1, final Object o2 ) {
final ActionPlugin a1 = (ActionPlugin) o1;
final ActionPlugin a2 = (ActionPlugin) o2;
final int toolbarOrder = a1.getToolbarOrder();
final int toolbarOrder2 = a2.getToolbarOrder();
if ( toolbarOrder < toolbarOrder2 ) {
return -1;
}
if ( toolbarOrder > toolbarOrder2 ) {
return 1;
}
return 0;
}
}